Fixes bug downloading source: `to_json': "\\xE2" from ASCII-8BIT to U…

…TF-8 (Encoding::UndefinedConversionError)

lib/bisu.rb

@@ -70,7 +70,7 @@ def i18n_for(config:, options:)
 
     save_to_path = options[:dictionary_save_path]
     if save_to_path && file = open_file(save_to_path, "w", false)
-      file.write(source.to_json)
+      file.write(deep_force_encoding(source).to_json)
       file.flush
       file.close
     end
@@ -149,4 +149,15 @@ def localize_file(localizer, locale, language, fallback_languages, in_path, out_
 
     true
   end
+
+  def deep_force_encoding(hash)
+    hash.each do |_, value|
+      case value
+      when String
+        value.force_encoding(Encoding::UTF_8)
+      when Hash
+        deep_force_encoding(value)
+      end
+    end
+  end
 end